<!DOCTYPE html>
<html xmlns:th="http://www.thymeleaf.org">
<head>
    <div th:fragment="css">
        <link rel="stylesheet" th:href="@{assets/css/bootstrap.min.css}" />
        <link rel="stylesheet" th:href="@{assets/css/index.css}" /> <!--关联一个样式表-->
    </div>
</head>
<body>
<nav th:fragment="header" class="navbar navbar-expand-md navbar-dark fixed-top bg-dark">
    <a class="navbar-brand" th:href="@{/}">
        <img style="width:40px;" alt="汽车大数据分析平台" th:src="@{assets/images/logo.png}" />
        汽车大数据分析平台
    </a>
    <button class="navbar-toggler d-lg-none" type="button" data-toggle="collapse" data-target="#navbarsExampleDefault" aria-controls="navbarsExampleDefault" aria-expanded="false" aria-label="Toggle navigation">
        <span class="navbar-toggler-icon"></span>
    </button>
</nav>
<div th:fragment="js">
    <script th:src="@{assets/js/jquery-3.2.1.min.js}"></script> <!--引言外部脚本-->
    <script th:src="@{assets/js/proper.min.js}"></script>
    <script th:src="@{assets/js/bootstrap-4.0.0beta.min.js}"></script>
    <script th:src="@{assets/js/echarts.min.js}"></script>
</div>
</body>
</html>